MC has nerves of steel. He didn't flinch after drinking that funny-tasting water.
He probably has experience drinking funny-tasting waters then.

I really like this ghost girl. She does whatever she wants and knows how to tell the MC off!

"Purification time, bitch!"

Either this is some weird translation or kako is weird.

Probably the latter.

''I can count your ribs''

My man needs SS+GOMAD